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Documentation Altium Designer Documentation ... PCB Query Functions Membership Checks

InFromToClass

Created: September 13, 2015 | Updated: August 20, 2021 | Applies to versions: 15.1, 16.0, 16.1, 17.0, 17.1, 18.0, 18.1, 19.0, 19.1, 20.0, 20.1 and 20.2
Now reading version 19. For the latest, read: InFromToClass for version 21

Parent page: PCB Query Functions - Membership Checks

Summary

Returns all from-to objects that are members of the specified From To Class.

Syntax

InFromToClass(ClassName : String) : Boolean/Boolean_String

As you define the Query expression, a pop-up list of all existing user-defined from to classes, by name, is presented.

Example Usage

InFromToClass('Bus Terminators')
InFromToClass('Bus Terminators') = True
InFromToClass('Bus Terminators') = 'True'
Returns all from-to objects that are members of the Bus Terminators From To Class.

Not InFromToClass('Bus Terminators')
InFromToClass('Bus Terminators') = False
InFromToClass('Bus Terminators') = 'False'
Returns all objects except from-to objects that are members of the Bus Terminators From To Class.

Tips

  1. The single quote characters (') at the start and end of the ClassName string are mandatory.
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Note

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If you don’t see a discussed feature in your software, contact Altium Sales to find out more.